Home / 256,972.79-385,538.05-114,937.57

Finding the Fourth Proportional to 256,972.79, 385,538.05 and 114,937.57

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Solution

The fourth proportional to 256,972.79, 385,538.05 and 114,937.57 is: 172,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,972.79 : 385,538.05 = 114,937.57 : x
  2. Step 2: Convert to fraction form
    256,972.79/385,538.05 = 114,937.57/x
  3. Step 3: Cross multiply
    256,972.79x = 385,538.05 × 114,937.57
  4. Step 4: Simplify right side
    256,972.79x = 44,312,806,609.54
  5. Step 5: Solve for x
    x = 44,312,806,609.54/256,972.79
  6. Step 6: Final answer
    x = 172,441.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.